mirror of https://github.com/mkerrisk/man-pages
45 lines
1.2 KiB
Groff
45 lines
1.2 KiB
Groff
.\" Copyright 2003 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
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.\" %%%LICENSE_START(GPL_NOVERSION_ONELINE)
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.\" Distributed under GPL
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.\" %%%LICENSE_END
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.\"
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.TH PUTGRENT 3 2003-09-09 "GNU" "Linux Programmer's Manual"
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.SH NAME
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putgrent \- write a group database entry to a file
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.SH SYNOPSIS
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.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
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.br
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.B #include <grp.h>
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.sp
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.BI "int putgrent(const struct group *" grp ", FILE *" fp );
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.SH DESCRIPTION
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The
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.BR putgrent ()
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function is the counterpart for
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.BR fgetgrent (3).
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The function writes the content of the provided \fIstruct group\fP into the
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file pointed to by
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.IR fp .
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The list of group members must be NULL-terminated or NULL-initialized.
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.sp
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The \fIstruct group\fP is defined as follows:
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.sp
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.in +4n
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.nf
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struct group {
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char *gr_name; /* group name */
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char *gr_passwd; /* group password */
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gid_t gr_gid; /* group ID */
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char **gr_mem; /* group members */
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};
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.fi
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.in
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.SH RETURN VALUE
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The function returns zero on success, and a nonzero value on error.
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.SH CONFORMING TO
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This function is a GNU extension.
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.SH SEE ALSO
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.BR fgetgrent (3),
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.BR getgrent (3),
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.BR group (5)
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